Essential Oils in Soap: What You Need To Know

Essential Oils in Soap


Essential oils have become more mainstream lately, with “diffusers” and “roll on blends” becoming commonly used terms. They are great for aromatherapy, and we all have our favorite scents and blends. Whether you are a seasoned essential oil user, or are a little tentative about them, I’ve outlined some things to consider to make your experience with essential oils in soap safe and enjoyable!


According to Health Canada, you should never use essential oils undiluted, ie. directly onto the skin, without them first being diluted with a carrier oil. This is great for soapmaking, as the essential oils are mixed with a variety of carrier oils during manufacturing, thus effectively diluting them.

Essential oils should be kept out of the reach of children, and should not be used during pregnancy or breastfeeding. Unscented soap bars are a good alternative!

They should not be ingested or used on mucous membranes. If you experience an adverse reaction when using my soap or any essential oil, always discontinue use immediately.


When making soap, you have 2 ways to scent the bars: synthetic fragrance oils or natural essential oils. I like using essential oils, even though they are more expensive, as they don't contain any phthalates or synthetic chemicals. I like that essential oils are naturally derived from plants using steam or by cold pressing.

There are certain usage rates for essential oils, and as a soapmaker, I ensure that my usage in soap is below these levels for a safe, beautifully scented bar.

What are your favorite essential oils and blends? Let me know in the comments below!


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  • Jess | Lilac and Clover on

    Hey Julia,
    Thanks for the suggestion, that sounds like a yummy combo!!

  • Julia Stearns @ Healthirony on

    If you want a relaxing, therapeutic fragrance combination, but want to extend the scent’s life in cold process soap, try mixing lavender oil with chamomile and patchouli.

  • Jess | Lilac & Clover on


    Yes, I love using grapefruit EO but have yet to try ylang ylang, I will add it to my list!

  • Coralea on

    Ylang Ylang or grapefruit would be awesome in soap. Both scents have give you a refreshing feeling.

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